交叉编译log4cxx

https://www.jianshu.com/p/a48c864dd996

实践：
从以下地址下载代码：

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https://logging.apache.org/log4cxx/latest_stable/download.html



https://apr.apache.org/download.cgi





https://github.com/libexpat/libexpat/releases

先使用大约2021年的版本

compile apr:

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./configure --host=aarch64-unknown-nto-qnx7.1.0 --prefix=/home/kevin/res/apr CC=/home/kevin/qnx710/host/linux/x86_64/usr/bin/aarch64-unknown-nto-qnx7.1.0-gcc  ac_cv_file__dev_zero=yes ac_cv_func_setpgrp_void=yes apr_cv_process_shared_works=yes apr_cv_mutex_robust_shared=yes apr_cv_tcp_nodelay_with_cork=yes ap_void_ptr_lt_long=no  apr_cv_tcp_nodelay_with_cork=yes

compile expat:

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./configure --host=aarch64-unknown-nto-qnx7.1.0 --prefix=/home/kevin/res/expat CC=/home/kevin/qnx710/host/linux/x86_64/usr/bin/aarch64-unknown-nto-qnx7.1.0-gcc 

compile log4cxx:

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./configure --host=aarch64-unknown-nto-qnx7.1.0 --prefix=/home/kevin/res/log4cxx CC=/home/kevin/qnx710/host/linux/x86_64/usr/bin/aarch64-unknown-nto-qnx7.1.0-gcc CXX=/home/kevin/qnx710/host/linux/x86_64/usr/bin/aarch64-unknown-nto-qnx7.1.0-g++  --with-apr=/home/kevin/res/apr  --with-apr-util=/home/kevin/res/apr-util  --with-odbc=/home/kevin/res/unixODBC